electret microphone


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electret microphone

[i′lek‚tret ′mī·krə‚fōn]
(engineering acoustics)
A microphone consisting of an electret transducer in which the foil electret diaphragm is placed next to a perforated, ridged, metal or metal-coated backplate, and output voltage, taken between diaphragm and backplate, is proportional to the displacement of the diaphragm.
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References in periodicals archive ?
the noise-canceling electret microphone assures crystal clear voice communications.
The boom for the electret microphone can be rotated 360 degrees and placed on either side of the headset.
An alternative option of condenser microphones is an electret microphone.
The students worked under the guidance of James West, a Johns Hopkins research professor in electrical and computer engineering and co-inventor of the electret microphone technology developed for telephones and used today in almost 90 percent of the more than 2 billion microphones produced each year.
The work of pioneer James West, one of two inventors of the electret microphone, can be found today in 90 percent of microphones, most telephones and hearing aids.
This current Jets you connect a powered electret microphone.
5820-99-280-7276 P14360408 CT/Light Patrol Headset (Green)-- Noise-Canceling (NC) Electret Microphone The vented, single-sided headset has an NC Electret microphone fitted to a flexible boom arm.
The headset with noise compensating electret microphone provides a digital platform for the wireless communication between aircraft cockpit and ground crew, even under the noise from running jet engines or rotors.
25" jack for the supplied, calibrated electret microphone.
Tenders are invited for Bose a20 cable assembly electret microphone dual plug battery powered general aviation without bluetooth 324843-2020
The Air's noise-cancelling Electret microphone is a good performer.